JP1 Remotes

[Capn Trips]

I'm providing no links, but if one does a forum search for "Pioneer"_AND_"3DEV"_AND_"4DEV" one finds a few strings on the topic of Pioneer 3DEV's limitations.

My understanding is that the Pioneer 3DEV executor, although seemingly correct for my situation (AWESOME new Pioneer VSX 2016 Receiver!), is ... inadequate. All of my signals are EITHER single or double byte Dev 164 (the Tuner functions), OR single or double byte Dev 165(the Receiver functions). I note that the Pioneer Master file uses the Pioneer 4DEV executor. When I switch to Pioneer 3DEV - which according to the protocol Help file SHOULD work - KM (and RM) vomits up error messages (as mentioned but not explained in the various posts in the threads I found.)

My question is WHY?!?!? The Pioneer 3DEV is built in, but if I have to use the 4DEV, then I have to use that HUGE protocol upgrade! Why are certain OBC combinations unavailable with the 3DEV executor, and is there another option, like somebody writing a smaller 4DEV or even 3DEV replacement executor?

That protocol upgrade is REALLY cramping my style!

P.S. see my OTHER post for some updates to the Pioneer Master File.
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Beginners - Read this thread first
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Remotes: OFA XSight Touch, AR XSight Touch
TVs: LG 65" Smart LED TV; Samsung QN850BF Series - 8K UHD Neo QLED LCD TV
RCVR: Onkyo TX-SR875; Integra DTR 40.3
DVD/VCR: Pioneer DV-400VK (multi-region DVD), Sony BDP-S350 (Blu-ray), Toshiba HD-A3 (HD-DVD), Panasonic AG-W1 (Multi-system VCR);
Laserdisc: Pioneer CLD-D704.
Amazon Firestick
tape deck: Pioneer CT 1380WR (double cassette deck)
(But I still have to get up for my beer)

[Mark Pierson]

[Mark Pierson]

[The Robman]

The 3Dev version is a UEI executor whereas I wrote the 4Dev version.

This executor attempts to let you combine Pioneer signals that use up to 3 different device codes where some of the signals use the simple 1-part format and some use the more complicated 2-part format, and it wants to do all this with just two bytes of variable information.

All 8-bits of the first variable byte is the main OBC.
Two bits from the second variable byte are used to select which device code is used.
One bit from the second variable byte is used to select the 1-part or 2-part format.
That only leaves 5 bits in which to put the 2nd OBC when it's needed.

In the early days, Pioneer used a formula for the 2nd OBC where one of the bits was always the same as in the 1st OBC and another bit was always the complement. This, combined with the fact that one of the bits is always zero, meant that UEI could use just 5 bits to store the 2nd OBC (as they would generate the remaining 3 bits). This worked fine until Pioneer stopped following their own rules for the 2nd OBC, which is why some functions don't work for you when you use the 3Dev executor.

I took a much simpler approach for my 4Dev executor. I store the complete 2nd OBC in the 2nd variable byte. Then, the fact that one of the bits in Pioneer OBCs is always zero means that I have two spare bits that I can play with, so I combine these 2 bits and use them as the index that selects which device code to use. (I reset the bits to zero before I actually send the signal). Therefore, with my executor, you can send any combination of OBCs you like, but you will always need to load a protocol upgrade.

If space is an issue, you can use the 3Dev executor for your upgrade and just program the buttons that work. For the left over buttons, you can create a smaller upgrade that uses the Pioneer 2CMD executor and use keymoves to assign the functions to buttons.
_________________
Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help!

[Capn Trips]

Precisely.

edit: the "precisely" was a response to Mark, but Rob snuck in with his explanation before me.

So, Rob, UEI doesn't get its executors from the developers, like Pioneer? They make their own and basically make a best guess to replicate them? Sheesh! What a way to run a railroad. I'll have to give your suggestion a try when I can find a bit of time.
_________________
Beginners - Read this thread first
READ BEFORE POSTING or your post will be DELETED!


Remotes: OFA XSight Touch, AR XSight Touch
TVs: LG 65" Smart LED TV; Samsung QN850BF Series - 8K UHD Neo QLED LCD TV
RCVR: Onkyo TX-SR875; Integra DTR 40.3
DVD/VCR: Pioneer DV-400VK (multi-region DVD), Sony BDP-S350 (Blu-ray), Toshiba HD-A3 (HD-DVD), Panasonic AG-W1 (Multi-system VCR);
Laserdisc: Pioneer CLD-D704.
Amazon Firestick
tape deck: Pioneer CT 1380WR (double cassette deck)
(But I still have to get up for my beer)

[The Robman]

[Mark Pierson]

[mr_d_p_gumby]

[The Robman]